package collection;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

public class GenericDemo {
    public static void main(String[] args) {
        /*
        Collection<String> c = new ArrayList<>();
        c.add("one");
        c.add("two");
        c.add("three");
        c.add("four");
        System.out.println(c);
        Iterator it = c.iterator();
        while (it.hasNext()) {
            String str = (String) it.next();
            System.out.println(str);
        }
         */

        Collection<Point> c = new ArrayList<>();
        c.add(new Point(1,2));
        c.add(new Point(3,4));
        c.add(new Point(5,6));
        c.add(new Point(7,8));
        Iterator<Point> it = c.iterator();
        while (it.hasNext()){
            Point p = it.next();
            System.out.println(p);
        }
        for (Point p : c){
            System.out.println(p);
        }
    }
}
